Final answer:
Commensalism is a friendly, harmonious relationship characterized by agreement, mutual understanding, or empathy that makes communication possible or easy.
Step-by-step explanation:
Commensalism is a friendly, harmonious relationship; a relationship characterized by agreement, mutual understanding, or empathy that makes communication possible or easy. In biology, commensalism refers to a symbiotic relationship between two species in which one species benefits while the other species is unaffected. An example of commensalism is the relationship between clownfish and sea anemones: the clownfish receives shelter among the sea anemones' tentacles, while the sea anemones are unaffected by the presence of the clownfish.